#include "esp_err.h"
esp_err_t RJMU_Crypto_Init();
esp_err_t RJMU401_Get_ID();
esp_err_t RJMU401_SendData( uint8_t *data , int n);
esp_err_t Set_SM4_Key(uint8_t *Key ,size_t key_len) ;
esp_err_t RJMU401_encrypt( const uint8_t *plaintext, 
                           const uint8_t  plaintext_len ,
                           uint8_t  *ciphertext , 
                           uint16_t *ciphertest_len) ;
esp_err_t RJMU401_decrypt( const uint8_t  *ciphertext , 
                           const uint16_t ciphertext_len ,
                           uint8_t  *plaintext , 
                           uint16_t  *plaintext_len ) ;
